The calculated distance (air line) between Kota Bharu and Kuala Terengganu is approximately 83 miles respectively 133 kilometers.
By car or train, the actual journey to Kuala Terengganu is certainly longer, as only the direct route (as the crow flies) between Kota Bharu and Kuala Terengganu has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles